Check the listing for details. Soft Closing Interior Wall Mount Hidden Track Floating Sliding Door Hardware. Color: Silver, Condition: New. Listed at 135.00 USD. Floating Sliding Barn Door Hardware Soft Closing Interior Wall Mount Hidden Track Rolling KitHardware Only,Not Including Door PanelWall mount sliding system with invisible track in front;Suitable for wood doors weighing up to 176 lb (80 kg)Suitable for door thickness ≥ 1 3/4";38” track fit MAX openning width 30"42" track fit MAX openning width 34"48" track fit MAX openning width 40"The track can be cut for smaller door panelIts unique hardware and concealed track create the illusion of a floating door.Full set hardware includingTop rail:1pcs ,38" / 42" /48“ for selection +Soft close mechanism:2pcs +End cap:2pcsTop roller:1pcs + Stop 2pcsFloor roller:2pcsSelf-adhesive floor rail:2pcs(please combine them together) Walk in openning width is openning width minus overlaps 4 3/8"Stops one 2 ends can be removed to reduce the overlaps,stop width 1 1/4"Door cut drawingDoor cut drawingGallary for reference